// Layout variables

// these are values for the display CSS property
$display-values: (
  block,
  flex,
  inline,
  inline-block,
  inline-flex,
  none,
  table,
  table-cell
) !default;

// maps edges to respective corners for border-radius
$edges: (
  top: (
    top-left,
    top-right,
  ),
  right: (
    top-right,
    bottom-right,
  ),
  bottom: (
    bottom-right,
    bottom-left,
  ),
  left: (
    bottom-left,
    top-left,
  ),
) !default;

// These are our margin and padding utility spacers. The default step size we
// use is 8px. This gives us a key of:
//    0 => 0px
//    1 => 4px
//    2 => 8px
//    3 => 16px
//    4 => 24px
//    5 => 32px
//    6 => 40px
$spacer: 8px !default;

// Our spacing scale
$spacer-0: 0 !default; // 0
$spacer-1: round($spacer / 2) !default; // 4px
$spacer-2: $spacer !default; // 8px
$spacer-3: $spacer * 2 !default; // 16px
$spacer-4: $spacer * 3 !default; // 24px
$spacer-5: $spacer * 4 !default; // 32px
$spacer-6: $spacer * 5 !default; // 40px

// The list of spacer values
$spacers: (
  $spacer-0,
  $spacer-1,
  $spacer-2,
  $spacer-3,
  $spacer-4,
  $spacer-5,
  $spacer-6
) !default;

// And the map of spacers, for easier looping:
// @each $scale, $length in $spacer-map { ... }
$spacer-map: (
  0: $spacer-0,
  1: $spacer-1,
  2: $spacer-2,
  3: $spacer-3,
  4: $spacer-4,
  5: $spacer-5,
  6: $spacer-6,
) !default;

// Em spacer variables
$em-spacer-1: 0.0625em !default; // 1/16
$em-spacer-2: 0.125em !default; // 1/8
$em-spacer-3: 0.25em !default; // 1/4
$em-spacer-4: 0.375em !default; // 3/8
$em-spacer-5: 0.5em !default; // 1/2
$em-spacer-6: 0.75em !default; // 3/4

// Size scale
// Used for buttons, inputs, labels, avatars etc.
$size: 16px !default;

$size-0: 0 !default;
$size-1: $size !default; // 16px
$size-2: $size-1 + 4px !default; // 20px
$size-3: $size-2 + 4px !default; // 24px
$size-4: $size-3 + 4px !default; // 28px
$size-5: $size-4 + 4px !default; // 32px
$size-6: $size-5 + 8px !default; // 40px
$size-7: $size-6 + 8px !default; // 48px
$size-8: $size-7 + 16px !default; // 64px

// Fixed-width container variables
$container-width: 980px !default;
$grid-gutter: 10px !default;

// Breakpoint widths
$width-xs: 0 !default;
// Small screen / phone
$width-sm: 544px !default;
// Medium screen / tablet
$width-md: 768px !default;
// Large screen / desktop (980 + (16 * 2)) <= container + gutters
$width-lg: 1012px !default;
// Extra large screen / wide desktop
$width-xl: 1280px !default;

// Responsive container widths
$container-sm: $width-sm !default;
$container-md: $width-md !default;
$container-lg: $width-lg !default;
$container-xl: $width-xl !default;

// Breakpoints in the form (name: length)
$breakpoints: (
  sm: $width-sm,
  md: $width-md,
  lg: $width-lg,
  xl: $width-xl,
) !default;

// This map in the form (breakpoint: variant) is used to iterate over
// breakpoints and create both responsive and non-responsive classes in one
// loop:
//
// ```scss
// @each $breakpoint, $variant of $responsive-variants {
//   @include breakpoint($breakpoint) {
//     .foo#{$variant}-bar { foo: bar !important; }
//   }
// }
// ```
$responsive-variants: (
  "": "",
  sm: "-sm",
  md: "-md",
  lg: "-lg",
  xl: "-xl",
) !default;

// responive utility position values
$responsive-positions: (static, relative, absolute, fixed, sticky) !default;
